Simplify (-4x^2+16)-(-4x^2+16)

$(- 4 x^{2} + 16) - (- 4 x^{2} + 16)$

Step 1

Simplify each term.

Apply the distributive property.

$- 4 x^{2} + 16 - (- 4 x^{2}) - 1 \cdot 16$

Multiply $- 4$ by $- 1$ .

$- 4 x^{2} + 16 + 4 x^{2} - 1 \cdot 16$

Multiply $- 1$ by $16$ .

$- 4 x^{2} + 16 + 4 x^{2} - 16$

Step 2

Combine the opposite terms in $- 4 x^{2} + 16 + 4 x^{2} - 16$ .

Add $- 4 x^{2}$ and $4 x^{2}$ .

$0 + 16 - 16$

Add $0$ and $16$ .

$16 - 16$

Subtract $16$ from $16$ .

$0$